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This species is accepted, and its native range is S. Ethiopia to Zimbabwe.
A specimen from Kew's Herbarium

[FZ]

Orchidaceae, I. la Croix & P.J. Cribb. Flora Zambesiaca 11:2. 1998

Morphology General Habit
Robust epiphytic or lithophytic herb, erect or pendent, often forming large clumps.
Morphology Stem
Stems up to 45 cm long, occasionally branched, covered with old leaf bases.
Morphology Roots
Roots stout, 3–4 mm in diameter.
Morphology Leaves
Leaves numerous, distichous; lamina 3.5–12 × 1–2.3 cm, ligulate or narrowly oblong, conduplicate, unequally and roundly 2-lobed at apex, articulated to imbricate leaf bases, coriaceous.
Morphology Reproductive morphology Inflorescences
Inflorescences 6–9 cm long, spreading, 5–13-flowered.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Pedicel and ovary scabrid, 2–3 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 5–6.5 mm long.
Morphology Reproductive morphology Flowers
Flowers white, fading to yellowish, the outside of sepals and the spur greenish; diurnally scented; very variable in size.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals lanceolate, acuminate, spreading.
Morphology Reproductive morphology Flowers Calyx
Sepals 10–25 × 2.7–5.6 mm.
Morphology Reproductive morphology Flowers Corolla
Petals 9–21 × 2.2–5 mm.
Morphology Reproductive morphology Flowers Labellum
Lip 10–24 × 5–11 mm, rather obscurely 3-lobed about midway; side lobes rounded, mid-lobe 5–10.5 × 2.3–3.8 mm, lanceolate, acute; spur 7.5–16 cm long, pendent, slender.
Morphology Reproductive morphology Flowers Column
Column 4.5–5 mm long; stipes bifid, each lobe linear.

[FTEA]

Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
An erect to pendent epiphyte or lithophyte, often forming dense clumps.
Morphology Stem
Stems up to 45 cm. long, unbranched or little branching, covered by persistent leaf-bases; roots little branched, 3–4 mm. in diameter.
Morphology Leaves
Leaves coriaceous, conduplicate, narrowly oblong, unequally roundly bilobed at the apex, 3.5–11.5 cm. long, 1–2.3 cm. wide, articulated to distichous, imbricate leaf-bases.
Morphology Reproductive morphology Inflorescences
Inflorescences spreading, 6–9 cm. long, 5–13-flowered; peduncle 1–1.5 cm. long; bracts 5–6.5 mm. long, drying black.
Morphology Reproductive morphology Flowers
Flowers very variable in size, white fading to yellow, greenish on the outer surface and spur, diurnally scented; pedicel and ovary 2.5–5.5 cm. long, scabrid.
Morphology Reproductive morphology Flowers Calyx
Sepals lanceolate, acuminate, 1–2.5 cm. long, 2.7–5.6 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals lanceolate, acuminate, 0.9–2.1 cm. long, 2.2–5 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip obscurely 3-lobed in the middle, 10–24 mm. long, 5–11 mm. wide; side lobes rounded; mid-lobe lanceolate.
Morphology Reproductive morphology Flowers Spur
Spur pendent, filiform, 7.5–16 cm. long.
Morphology Reproductive morphology Flowers Column
Column 4.5–5 mm. long; stipes bifid, each lobe linear; viscidium oblong.
Figures
Pl. 7.
Habitat
In montane forest of Juniperus procera, etc. and in open woodland; 1100–2600 m.
Distribution
K1 K3 K4 K6 T1 T2 T3 T5 T6 U1

Native to:

Ethiopia, Kenya, Tanzania, Uganda, Zimbabwe

Ypsilopus amaniensis (Kraenzl.) D'haijère & Stévart appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 18, 1948 Braun [155], Tanzania Rangaeris amaniensis K000306413 Unknown type material
Harris, W.V., Tanzania Rangaeris amaniensis 10431.000
Moreau, R.E. [318], Tanzania Rangaeris amaniensis 10432.000
Moreau, R.E. [164], Kenya Rangaeris amaniensis 10433.000
Tweedie, E.M. [662], Kenya Rangaeris amaniensis 10434.000
Tweedie, E.M. [662], Kenya Rangaeris amaniensis 10435.000
Page-Jones, F.M., Tanzania Rangaeris amaniensis 10436.000
Bally, P.R.O. [9218], Ethiopia Rangaeris amaniensis 12110.000
Moreau, R.E. [315], Tanzania Rangaeris amaniensis 12622.000
Bally, P.R.O. [5684], Kenya Rangaeris amaniensis 13475.000
Copley, H. [3], Kenya Rangaeris amaniensis 13476.000
Bally, P.R.O. [8304], Kenya Rangaeris amaniensis 13477.000
Wonfor, D., Zimbabwe Rangaeris amaniensis 23851.000
Jackson, R.W. [56814], Zimbabwe Rangaeris amaniensis 27237.000
Greenway, P.J. [9,998], Tanzania Rangaeris amaniensis 3148.000
Cribb, P. [10187], Tanzania Rangaeris amaniensis 35751.000
Cribb, P. [10017], Tanzania Rangaeris amaniensis 35763.000
Tanner, L. [T.167], Tanzania Rangaeris amaniensis 39148.000
Owens, C. [17], Tanzania Rangaeris amaniensis 39838.000
Hepper, N. [6679], Kenya Rangaeris amaniensis 41072.000
Protzen [1], Malawi Rangaeris amaniensis 44133.000
Cribb, P. [10187], Tanzania Rangaeris amaniensis 45721.000
Gillett, J.B. [14331], Ethiopia Rangaeris amaniensis 8422.000

First published in Taxon 68: 467 (2019)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • Demissew, S., Cribb, P. & Rasmussen, F. (2004). Field Guide to Ethiopian Orchids: 1-300. The Board of Trustees of the Royal Botanic Gardens, Kew.

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0